About the Number

68688009

68688008 ← → 68688010

2進数表記:100000110000001100010001001

漢数字表記:六千八百六十八万八千九

素因数分解:

3 2 × 13 1 × 47 1 × 12491 1

素因数の和:12557
約数の個数: 24
約数和(自身を含む): 109130112
約数和(自身を除く): 40442103

約数列:
[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 12491, 37473, 112419, 162383, 487149, 587077, 1461447, 1761231, 5283693, 7632001, 22896003, 68688009]

約数ペア:
[(1, 68688009), (3, 22896003), (9, 7632001), (13, 5283693), (39, 1761231), (47, 1461447), (117, 587077), (141, 487149), (423, 162383), (611, 112419), (1833, 37473), (5499, 12491)]

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